1415641-80-3Relevant academic research and scientific papers
Protonation-induced cyclization of 1,8-bis(arylethynyl)anthraquinones: Monopyrylium salt formation and intensification of donor-acceptor interaction
Rao, Koya Prabhakara,Kondo, Mio,Sakamoto, Ryota,Kusamoto, Tetsuro,Kume, Shoko,Nishihara, Hiroshi
, p. 1456 - 1458 (2011)
We previously reported protonation-induced double cyclization reaction of 1,4-Ar2Aq and 1,5-Ar2Aq (Ar2Aq: bis(arylethynyl) anthraquinone) with strong acid HX that generated the corresponding dipyrylium salts [1,4-Ar2
